package com.lmx.project.config;

import com.lmx.project.interceptor.RequestInterceptor;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * 全局跨域配置
 *
 * @author yupi
 */
@Configuration
public class CorsConfig implements WebMvcConfigurer {

    @Value("${myfile.pre}")
    private String filepre;

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 覆盖所有请求
        registry.addMapping("/**")
                // 允许发送 Cookie
                .allowCredentials(true)
                // 放行哪些域名（必须用 patterns，否则 * 会和 allowCredentials 冲突）
                .allowedOriginPatterns("*")
                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
                .allowedHeaders("*")
                .exposedHeaders("*");
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/static/**").addResourceLocations("file:" + filepre);
    }


    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new RequestInterceptor());

    }
}
